diff --git a/playground-authjs/nuxt.config.ts b/playground-authjs/nuxt.config.ts
index 4192d6e1..050090e2 100644
--- a/playground-authjs/nuxt.config.ts
+++ b/playground-authjs/nuxt.config.ts
@@ -7,7 +7,7 @@ export default defineNuxtConfig({
     globalAppMiddleware: {
       isEnabled: true
     },
-    baseURL: `http://localhost:${process.env.port || 3000}`
+    baseURL: `http://localhost:${process.env.PORT || 3000}`
   },
   routeRules: {
     '/with-caching': {